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+# ============LICENSE_START=======================================================
+# Copyright (C) 2022 Deutsche Telekom AG
+# ================================================================================
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# ============LICENSE_END=========================================================
+import logging
+import os
+import sys
+import zipfile
+from io import BytesIO
+
+from onapsdk.aai.business import Customer
+from onapsdk.cds.blueprint import Workflow, Blueprint
+from config import Config, VariablesDict
+
+#FIXME remove from global scope
+logger = logging.getLogger("")
+logger.setLevel(logging.INFO)
+fh = logging.StreamHandler()
+fh_formatter = logging.Formatter('%(asctime)s %(levelname)s %(lineno)d:%(filename)s(%(process)d) - %(message)s')
+fh.setFormatter(fh_formatter)
+logger.addHandler(fh)
+
+
+def resolve_inputs(config: Config):
+ logger.info("******** Check Customer *******")
+ customer_id = config.service_instance["customer_id"]
+ customer = Customer.get_by_global_customer_id(customer_id)
+ if customer is None:
+ raise Exception("Customer %s wasn't found in ONAP" % customer_id)
+ logger.info("******** Check Service Subscription *******")
+ service_subscription = None
+ for service_sub in customer.service_subscriptions:
+ logger.debug("Service subscription %s is found", service_sub.service_type)
+ if service_sub.service_type == config.service_model["model_name"]:
+ logger.info("Service %s subscribed", config.service_model["model_name"])
+ service_subscription = service_sub
+ break
+ logger.info("******** Retrieve Service Metadata *******")
+ service_instance = None
+ for single_service in service_subscription.service_instances:
+ if single_service.instance_name == config.service_instance["instance_name"]:
+ service_instance = single_service
+ break
+ service_id = service_instance.instance_id
+ vnfs = list(service_instance.vnf_instances)
+ if len(vnfs) > 1:
+ raise NotImplementedError("Service %s is composed of more than one vnf!" % service_id)
+ if not vnfs:
+ raise Exception("Service %s doesn't contain any vnfs" % service_id)
+ vnf_id = vnfs[0].vnf_id
+ return service_id, vnf_id
+
+def main(replica_count):
+ mypath = os.path.dirname(os.path.realpath(__file__))
+ config = Config(env_dict=VariablesDict.env_variable)
+ for vnf in config.service_model["vnfs"]:
+ file = vnf["vsp"]["vsp_file"]
+ file_path = os.path.join(mypath, file)
+ with zipfile.ZipFile(file_path, 'r') as package:
+ cba_io = BytesIO(package.read("CBA.zip"))
+ cba_io.seek(0)
+ blueprint = Blueprint(cba_io.read())
+
+ healthcheck: Workflow = blueprint.get_workflow_by_name('scale')
+ serv_id, vnf_id = resolve_inputs(config)
+ cds_input = {"scale-properties":
+ {
+ "service-instance-id": serv_id,
+ "vnf-id": vnf_id,
+ "status-check-max-count": 20,
+ "replica-count": int(replica_count)
+ }
+ }
+
+ logger.info("Requesting Scale for CBA %s:%s with inputs:\n%s",
+ blueprint.metadata.template_name,
+ blueprint.metadata.template_version,
+ cds_input)
+ result = healthcheck.execute(cds_input)
+ logger.info("Scale process completed with result: %s", result)
+ logger.info("Please check cds-blueprints-processor logs to see exact status")
+
+if __name__ == "__main__":
+ replica_count = 1
+ if len(sys.argv) > 1:
+ replica_count = sys.argv[1]
+ print(f"Replica Count: %s" % replica_count)
+ main(replica_count)